Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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05/23/2001 | DE10042920A1 Current detector for motor vehicles, has substrate to support linear conductors parallel to another conductor in which current flow has to be measured, and Hall element is mounted orthogonally on that conductor |
05/22/2001 | US6236216 Temperature/voltage detecting unit and battery element unit |
05/22/2001 | US6236215 Cell voltage detection circuit, and method of detecting cell voltage |
05/16/2001 | EP1099119A1 Signalling system |
05/16/2001 | CN2430693Y Acoustic-optic electric test pencil |
05/16/2001 | CN1295253A High-accuracy current measuring method |
05/15/2001 | US6232816 Signal level monitoring circuit |
05/15/2001 | US6232802 Selective sampled peak detector and method |
05/15/2001 | US6232789 Probe holder for low current measurements |
05/15/2001 | US6232781 False-closure detection device for electrical consumers |
05/15/2001 | US6232762 Method and apparatus for determining the energy of a signal |
05/10/2001 | WO2001033234A1 Detector for high intensity electrical currents |
05/10/2001 | DE10050511A1 Pressure sensor with control device for measuring fluid pressure, has source current adjuster which alters value of source current flowing through DC input connections, according to different types of pressure sensor elements |
05/09/2001 | EP1004027A4 Magnetic current sensing and short circuit detection in plate structure |
05/09/2001 | CN1294683A Voltage indicator for indicating that voltage of battery passes given value |
05/08/2001 | US6229456 Method and apparatus for facilitating user interaction with a measurement instrument using a display-based control knob |
05/08/2001 | US6229450 Power interruption monitoring apparatus |
05/08/2001 | US6229446 Alarm apparatus |
05/08/2001 | US6229351 Current measuring device and telephone terminal using such a current measuring device |
05/08/2001 | US6229266 Voltage level indicator |
05/03/2001 | WO2001031718A2 Shunt resistance device for monitoring battery state of charge |
05/03/2001 | WO2001031681A1 Method and apparatus for eliminating displacement current from current measurements in a plasma processing system |
05/03/2001 | WO2001031351A1 Highly configurable capacitive transducer interface circuit |
05/03/2001 | DE19946935A1 Vorrichtung zur Strommessung mit magnetfeldempfindlichen Differenzsensoren aus mindestens zwei Hallsensoren A device for current measurement by magnetic field-sensitive sensors difference of at least two Hall sensors |
05/02/2001 | EP1096455A1 Non-isolated type voltage sensor |
05/02/2001 | EP1096262A2 Current detector |
05/02/2001 | EP1073984A4 Apparatus and method for improved dynamic range and response time in a logarithmic amplifier |
05/02/2001 | CN2428780Y Video comprehesive test instrument |
05/02/2001 | CN2428779Y Multifunction needle-shape electroprobe |
05/02/2001 | CN1293370A Battery voltage measuring device |
05/02/2001 | CN1293357A Prssure, sensor, pressure sensor control device and pressure sensor system |
05/01/2001 | US6225860 Source voltage detecting circuit |
05/01/2001 | US6225779 Power supply monitoring integrated circuit device for individually monitoring voltages of cells |
05/01/2001 | CA2160655C Data collection and processing for digital ac power system monitor/analyzer |
04/25/2001 | EP1094327A1 Battery voltage measuring device |
04/25/2001 | EP1093680A1 Adaptive sampling rate based on power system frequency |
04/25/2001 | CN2427916Y Self-protection type lightning arrestor module |
04/25/2001 | CN1292876A Simultaneous display of primary measurement values and derived parameters |
04/24/2001 | US6222712 Device having processor means and having undervoltage detection means |
04/24/2001 | US6222398 Voltage detecting circuit |
04/24/2001 | CA2117344C Current sensor |
04/19/2001 | WO2001028101A1 Digital peak detector with noise threshold and method |
04/19/2001 | WO2001027641A1 Measurement of current in a vehicle using battery cable as a shunt |
04/19/2001 | WO2001027639A1 Sensor for detecting high-frequency oscillations of a voltage and an arrangement of a sensor |
04/19/2001 | DE19950137A1 Surge detector for power supply senses the width or numbers of surge to protect the host processor from damage |
04/19/2001 | DE19949700A1 Rectification circuit for clocked AC voltage has shaping circuit operating at variable clock rate |
04/19/2001 | DE19943365A1 Comparator for processing input signal wrt. threshold signal, with two comparator circuits |
04/19/2001 | CA2386907A1 Measurement of current in a vehicle using battery cable as a shunt |
04/18/2001 | EP1093220A1 Method of anomalous offset detection and circuit |
04/18/2001 | EP1092160A1 Residual current detection device |
04/18/2001 | EP1092159A1 Layered current sensor |
04/18/2001 | EP1092158A1 Current detector and current measurement apparatus including such detector |
04/18/2001 | EP1068541A4 Magnetic digital signal coupler |
04/18/2001 | CN1291724A Automatic sampling correction method for voltage of battery |
04/17/2001 | US6218825 Current sensor with self-oscillating generator circuit |
04/17/2001 | CA2130825C Method and sensor for measuring electric voltages and/or electric field intensities |
04/12/2001 | WO2001006265A3 Method for determining the amplitude and angle of phase of a measuring signal corresponding to the current or voltage of an electric power distribution system |
04/12/2001 | DE19944985A1 Messverfahren zur Strommessung mit Rauschunterdrückung Measurement method for current measurement with noise reduction |
04/12/2001 | DE10038645A1 Current detector for motor vehicle, detects variation in angle of magnetic surface of hall element based on electrical signal output by hall element |
04/11/2001 | EP1091214A2 Method and device for processing measuring signals |
04/11/2001 | CN2426609Y High voltage equipment electric parameter measuring device |
04/11/2001 | CN1290860A Wave form time calibrating method for digital artefact minimizing in time space distribution measuring results |
04/10/2001 | US6215435 Linear current sensing circuit for motor controller |
04/10/2001 | US6215338 Monitoring of low currents through a low-side driver DMOS by modulating its internal resistance |
04/10/2001 | US6215335 Nonoverlapping phased, resettable, peak detector |
04/10/2001 | US6215302 Preamplifier and method for measuring resistance of a resistive transducer |
04/10/2001 | US6215301 Magnetoresistive detector comprising a layer structure and a current directing means |
04/05/2001 | WO2001023899A1 Device for measuring current comprising differential sensors which are sensitive to magnetic fields and which are comprised of at least two hall sensors |
04/04/2001 | CN1064131C DC current sensor |
04/04/2001 | CA2322101A1 Alarm system for detecting hazards due to power transmission lines |
04/03/2001 | US6211656 Method and device for determining the charging current of an accumulator |
03/30/2001 | CA2321408A1 Multiport power monitor |
03/29/2001 | WO2001022101A1 Method for measuring the current with noise rejection |
03/29/2001 | WO2001022099A1 Automatic monitoring of high voltage signals |
03/29/2001 | WO2001006268A8 Electron density measurement and control system using plasma-induced changes in the frequency of a microwave oscillator |
03/28/2001 | EP1087509A2 System and method for determining output current and converter employing the same |
03/28/2001 | EP1086477A1 Input circuit for relatively high current ac signals to be monitored |
03/28/2001 | EP1086381A1 System for digital measurement of breakdown voltage of high-voltage samples |
03/28/2001 | EP1086380A1 System for concurrent digital measurement of peak voltage and rms voltage in high voltage system |
03/28/2001 | CN1289047A Method for time-marking of waveshape edge of input signals |
03/27/2001 | US6208496 Lightening arrester in a discharge counter to protect a power system and an electric apparatus from overvoltage connected in parallel to nonlinear resistor of zinc oxide, bismuth oxide, and titanium oxide and capacitor material |
03/27/2001 | US6208242 Circuit configuration to monitor a regulated output voltage in a motor vehicle |
03/27/2001 | US6208175 Circuit arrangement for the evaluating a binary signal defined by current threshold values |
03/27/2001 | US6208173 Peak detector |
03/27/2001 | CA2148076C Power monitor apparatus and method with object oriented structure |
03/22/2001 | WO2001020358A1 Method and apparatus for calibrating a current sensing system |
03/22/2001 | DE19938779A1 Schaltung zur Messung des Spulenstroms eines elektromagnetischen Stellgerätes und Verfahren zur Bestimmung des Offsetfehlers Circuit for measuring the coil current of an electromagnetic actuating device and method for determining the offset error |
03/21/2001 | EP1085329A2 Method of time stamping a waveform edge of an input signal |
03/21/2001 | EP1085328A2 Method of waveform time stamping for minimizing digitization artifacts in time interval distribution measurements |
03/21/2001 | CN2424470Y Non-capacity core rod type high voltage charge display |
03/21/2001 | CN2424469Y Multipurpose electronic test pencil |
03/21/2001 | CN1063596C Method for measuring phase currents in inverter, and inverter using this method |
03/20/2001 | US6205197 Programmable supervisory circuit and applications therefor |
03/20/2001 | US6204719 RMS-to-DC converter with balanced multi-tanh triplet squaring cells |
03/20/2001 | US6204716 Transient signal detector |
03/20/2001 | US6204699 Voltage detection circuit |
03/20/2001 | CA2148075C High accuracy power monitor and method |
03/15/2001 | DE19936214A1 Measurement procedure and circuit for a power network circuit breaker, for detecting when a load is switched on again and re- connecting a network so power can be drawn, based on a change in applied voltage or supplied current |
03/14/2001 | EP1082806A1 Method and circuit for power detection in electronically switched electric motors |
03/14/2001 | CN1287271A Full-wave level detector of integrated circuit |